<?php

/**
 * This is the model class for table "distributor_product".
 *
 * The followings are the available columns in table 'distributor_product':
 * @property string $id
 * @property string $distributor_id
 * @property string $supplier_id
 * @property string $product_id
 * @property double $unit_price
 * @property string $unit
 * @property integer $amount
 * @property string $trace
 */
class DistributorProduct extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @return DistributorProduct the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'distributor_product';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('distributor_id, supplier_id, product_id, unit_price, unit, amount', 'required'),
			array('amount', 'numerical', 'integerOnly'=>true),
			array('unit_price', 'numerical'),
			array('distributor_id, supplier_id, product_id', 'length', 'max'=>10),
			array('unit', 'length', 'max'=>255),
			array('trace', 'safe'),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('id, distributor_id, supplier_id, product_id, unit_price, unit, amount, trace', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
            'user' => array(self::BELONGS_TO, 'User', 'distributor_id')
		);
	}
    
    public function scopes()
    {
        return array(
            'recently'=>array(
                'order'=>'unit_price DESC',
                'limit'=>3,
            ),
        );
    }
    
    public function recently()
    {
        $this->getDbCriteria()->mergeWith(array(
            'order'=>'unit_price DESC',
        ));
        return $this;
    }

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'distributor_id' => 'Distributor',
			'supplier_id' => 'Supplier',
			'product_id' => 'Product',
			'unit_price' => 'Unit Price',
			'unit' => 'Unit',
			'amount' => 'Amount',
			'trace' => 'Trace',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id,true);
		$criteria->compare('distributor_id',$this->distributor_id,true);
		$criteria->compare('supplier_id',$this->supplier_id,true);
		$criteria->compare('product_id',$this->product_id,true);
		$criteria->compare('unit_price',$this->unit_price);
		$criteria->compare('unit',$this->unit,true);
		$criteria->compare('amount',$this->amount);
		$criteria->compare('trace',$this->trace,true);

		return new CActiveDataProvider(get_class($this), array(
			'criteria'=>$criteria,
		));
	}
    
    public function searchProduct()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id,true);
		$criteria->compare('distributor_id',Yii::app()->user->id);
		$criteria->compare('supplier_id',$this->supplier_id,true);
		$criteria->compare('product_id',$this->product_id,true);
		$criteria->compare('unit_price',$this->unit_price);
		$criteria->compare('unit',$this->unit,true);
		$criteria->compare('amount',$this->amount);
		$criteria->compare('trace',$this->trace,true);

		return new CActiveDataProvider(get_class($this), array(
			'criteria'=>$criteria,
		));
	}
    
    public function getPrice($amount = 1){
        return $this->unit_price * $amount;
    }
    
    public static function getSupplier($id = null){
        if (!$id)
            $id = Yii::app()->user->id;
        if (User::model()->findByPk($id)->superuser != User::S_DISTRIBUTOR)
                return false;
        $supplier_id = User::model()->findByPk($id)->parent;
        return User::model()->findByPk($supplier_id);
    }
    
    public static function getProduct($product_id, $limit = 3){
        $distributorProducts = self::model()->recently()->findAllByAttributes(array('product_id' => $product_id));
        return $distributorProducts;
    }
}